施工期开孔沉箱盖板开裂原因分析及优化措施  

Cracking Reason Analysis and Optimal Measures of Perforated Caisson in Engineering during Construction

作　　者：戈龙仔[1] 刘针[1] 陈汉宝[1] Ge Longzai;Liu Zhen;Chen Hanbao(Tianjin Research Institute for Water Transport Engineering,National Engineering Laboratory for Port Hydraulic Construction Technology,Key Laboratory of Engineering Sediment of Ministry of Transport,Tianjin 300456,China)

机构地区：[1]交通运输部天津水运工程科学研究所港口水工建筑技术国家工程实验室&工程泥沙交通行业重点实验室,天津300456

出　　处：《港工技术》2020年第5期26-30,共5页Port Engineering Technology

基　　金：天津市科技服务业科技重大专项(16ZXFWGX00050);对发展中国家科技援助项目(KY201601001);中央级科研院所基本科研业务费专项(TKS160205,TKS160302)。

摘　　要：针对某工程开孔沉箱码头在施工过程中开裂现象,开展了模型试验研究,并根据沉箱盖板受力结果对结构提出了优化措施建议,满足了后续工程顺利实施要求;研究结果也可为类似结构设计受力计算取值和优化选型提供基础数据。A model test is carried out to study the cracking phenomenon of a perforated caisson berth during the construction.According to the stress results of caisson cover,some optimal measures for the structure are put forward in order to meet the requirements for follow-up works.The research results will also serve as basic data for the stress calculation,optimization and type selection in the design of similar structure.

关 键 词：开孔沉箱 盖板开裂 原因分析 试验手段 优化措施 

分 类 号：TU753.61[建筑科学—建筑技术科学]